Double-Concave lẹnsi
Awọn lẹnsi Concave meji ni a lo ni imugboroja tan ina, idinku aworan, tabi awọn ohun elo isọsọ ina.Awọn lẹnsi wọnyi tun jẹ apẹrẹ fun faagun ipari ifojusi ti eto opiti kan.Awọn lẹnsi Concave Double, eyiti o ni awọn oju-aye concave meji, jẹ Awọn lẹnsi Optical pẹlu awọn gigun ifojusi odi.
Iwọn gigun ti SYCCO sobusitireti windows gbogbogbo (laisi ibora)
1) Ibiti Ilana: φ10-φ300mm
2) Radius Fit ti o dara julọ: Convex Surface +10mm∞, Concave Surface -60mm∞
3) ODFO Apa didan: φ10φ220mm
Radius Fit ti o dara julọ: Ilẹ Convex +10mm∞, Concave Surface -45mm∞
4) Yiye Profaili (Nipasẹ Taylorsurf PGI): Pv0.3μm
5) Dada Ipari Standard: 20/1040/20
6) Wa ni ibamu Pẹlu Mil-o-13830A
7) Nikan Nkan Work
a.Awọn ohun elo gilasi opiti miiran lati Schott, Ohara, Hoya tabi CDGM Kannada, UVFS lati Heraeus, Corning, Germanium, Silicon, ZnSe, ZnS, CaF2, Sapphire tun wa lori ibeere.
b.Awọn lẹnsi Ayika ti aṣa ni eyikeyi iwọn lati iwọn ila opin 1.0 si 300mm wa lori ibeere.
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| B270 | CaF2 | Ge | MgF2 | N-BK7 | oniyebiye | Si | Ohun alumọni ti a dapọ UV | ZnSe | ZnS |
| Atọka itọka (nd) | 1.523 | 1.434 | 4.003 | 1.413 | 1.517 | 1.768 | 3.422 | 1.458 | 2.403 | 2.631 |
| Iṣọkan ti pipinka (Vd) | 58.5 | 95.1 | N/A | 106.2 | 64.2 | 72.2 | N/A | 67.7 | N/A | N/A |
| Ìwúwo (g/cm3) | 2.55 | 3.18 | 5.33 | 3.18 | 2.46 | 3.97 | 2.33 | 2.20 | 5.27 | 5.27 |
| TCE (μm/m℃) | 8.2 | 18.85 | 6.1 | 13.7 | 7.1 | 5.3 | 2.55 | 0.55 | 7.1 | 7.6 |
| Iwọn otutu Dirọ (℃) | 533 | 800 | 936 | 1255 | 557 | 2000 | 1500 | 1000 | 250 | Ọdun 1525 |
| Knoop líle (kg/mm2) | 542 | 158.3 | 780 | 415 | 610 | 2200 | 1150 | 500 | 120 | 120 |
a: Iwọn iwọn: 0.2-500mm, sisanra>0.1mm
b: Ọpọlọpọ awọn ohun elo le jẹ yiyan, pẹlu awọn ohun elo IR bii Ge, Si, Znse, fluoride ati bẹbẹ lọ
c: AR ti a bo tabi bi ibeere rẹ
d: Apẹrẹ ọja: yika, onigun tabi apẹrẹ aṣa
